Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
QLab - QLab, Live show control for Mac OS X.
GIMP - GIMP is a multiplatform photo manipulation tool.
Cue Player - Cue Player software for theater sound and lighting
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Trigger Audio and Video Playback - Audio and video cue player for broadcast and live performance.
Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.